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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
#include <cairo/cairo.h>
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#include <pango/pangocairo.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "client/window.h"
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#include "client/buffer.h"
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#include "log.h"
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PangoLayout *get_pango_layout(struct window *window, const char *text) {
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PangoLayout *layout = pango_cairo_create_layout(window->cairo);
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pango_layout_set_text(layout, text, -1);
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PangoFontDescription *desc = pango_font_description_from_string(window->font);
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pango_layout_set_font_description(layout, desc);
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pango_layout_set_single_paragraph_mode(layout, 1);
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pango_font_description_free(desc);
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return layout;
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}
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void get_text_size(struct window *window, int *width, int *height, const char *fmt, ...) {
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char *buf = malloc(2048);
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va_list args;
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va_start(args, fmt);
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if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
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strcpy(buf, "[buffer overflow]");
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}
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va_end(args);
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PangoLayout *layout = get_pango_layout(window, buf);
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pango_cairo_update_layout(window->cairo, layout);
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pango_layout_get_pixel_size(layout, width, height);
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g_object_unref(layout);
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free(buf);
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}
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void pango_printf(struct window *window, const char *fmt, ...) {
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char *buf = malloc(2048);
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va_list args;
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va_start(args, fmt);
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if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
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strcpy(buf, "[buffer overflow]");
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}
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va_end(args);
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PangoLayout *layout = get_pango_layout(window, buf);
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pango_cairo_update_layout(window->cairo, layout);
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pango_cairo_show_layout(window->cairo, layout);
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g_object_unref(layout);
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free(buf);
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}
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